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Remove deprecated use of std::aligned_storage. Issue #171

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greg7mdp
2022-11-05 16:11:40 -04:00
parent dc5bd3620e
commit ab663358bc
2 changed files with 14 additions and 21 deletions
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parallel_hashmap/phmap_base.h
Vendored
+9 -16
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@@ -96,19 +96,6 @@ struct VoidTImpl {
using type = void;
};
// This trick to retrieve a default alignment is necessary for our
// implementation of aligned_storage_t to be consistent with any implementation
// of std::aligned_storage.
// ---------------------------------------------------------------------------
template <size_t Len, typename T = std::aligned_storage<Len>>
struct default_alignment_of_aligned_storage;
template <size_t Len, size_t Align>
struct default_alignment_of_aligned_storage<Len,
std::aligned_storage<Len, Align>> {
static constexpr size_t value = Align;
};
// NOTE: The `is_detected` family of templates here differ from the library
// fundamentals specification in that for library fundamentals, `Op<Args...>` is
// evaluated as soon as the type `is_detected<Op, Args...>` undergoes
@@ -308,9 +295,15 @@ using remove_extent_t = typename std::remove_extent<T>::type;
template <typename T>
using remove_all_extents_t = typename std::remove_all_extents<T>::type;
template <size_t Len, size_t Align = type_traits_internal::
default_alignment_of_aligned_storage<Len>::value>
using aligned_storage_t = typename std::aligned_storage<Len, Align>::type;
template<std::size_t Len, std::size_t Align>
struct aligned_storage {
struct type {
alignas(Align) unsigned char data[Len];
};
};
template< std::size_t Len, std::size_t Align>
using aligned_storage_t = typename aligned_storage<Len, Align>::type;
template <typename T>
using decay_t = typename std::decay<T>::type;